/*
 * Copyright 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy
 * of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package com.google.gwt.debugpanel.widgets;

/**
 * Listener to events signaling changes in the {@link TreeTableModel}.
 */
public interface TreeTableModelListener {

  public void nodeAdded(Object parent, Object node, int index);

  public void nodeRemoved(Object parent, Object node, int index);

  public void valueChanged(Object node, int columnIndex);
}
